diff --git a/CHANGELOG.md b/CHANGELOG.md
index bceb31185c..f9005d557c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 * support 'n'/'p' key to move to the next/prev hunk in diff component [[@hamflx](https://github.com/hamflx)] ([#1523](https://github.com/extrawurst/gitui/issues/1523))
 * simplify theme overrides [[@cruessler](https://github.com/cruessler)] ([#1367](https://github.com/extrawurst/gitui/issues/1367))
+* support for sign-off of commits [[@domtac](https://github.com/domtac)]([#1757](https://github.com/extrawurst/gitui/issues/1757))
 
 ### Fixes
 * fix commit dialog char count for multibyte characters ([#1726](https://github.com/extrawurst/gitui/issues/1726))
diff --git a/src/components/commit.rs b/src/components/commit.rs
index 875d0a35e9..586dbb2569 100644
--- a/src/components/commit.rs
+++ b/src/components/commit.rs
@@ -255,7 +255,9 @@ impl CommitComponent {
 				return Ok(CommitResult::Aborted);
 			}
 		}
+
 		let mut msg = message_prettify(msg, Some(b'#'))?;
+
 		if verify {
 			// run commit message check hook - can reject commit
 			if let HookResult::NotOk(e) =
@@ -341,6 +343,13 @@ impl CommitComponent {
 
 		Ok(())
 	}
+	fn signoff_commit(&mut self) {
+		let msg = self.input.get_text();
+		let signed_msg = self.add_sign_off(msg);
+		if let std::result::Result::Ok(signed_msg) = signed_msg {
+			self.input.set_text(signed_msg);
+		}
+	}
 	fn toggle_verify(&mut self) {
 		self.verify = !self.verify;
 	}
@@ -416,6 +425,30 @@ impl CommitComponent {
 
 		Ok(())
 	}
+
+	fn add_sign_off(&self, msg: &str) -> Result<String> {
+		const CONFIG_KEY_USER_NAME: &str = "user.name";
+		const CONFIG_KEY_USER_MAIL: &str = "user.email";
+
+		let user = get_config_string(
+			&self.repo.borrow(),
+			CONFIG_KEY_USER_NAME,
+		)?;
+
+		let mail = get_config_string(
+			&self.repo.borrow(),
+			CONFIG_KEY_USER_MAIL,
+		)?;
+
+		let mut msg = msg.to_owned();
+		if let (Some(user), Some(mail)) = (user, mail) {
+			msg.push_str(&format!(
+				"\n\nSigned-off-by {user} <{mail}>"
+			));
+		}
+
+		Ok(msg)
+	}
 }
 
 impl DrawableComponent for CommitComponent {
@@ -464,6 +497,12 @@ impl Component for CommitComponent {
 				true,
 			));
 
+			out.push(CommandInfo::new(
+				strings::commands::commit_signoff(&self.key_config),
+				true,
+				true,
+			));
+
 			out.push(CommandInfo::new(
 				strings::commands::commit_open_editor(
 					&self.key_config,
@@ -531,6 +570,11 @@ impl Component for CommitComponent {
 						self.input.set_text(msg);
 						self.commit_msg_history_idx += 1;
 					}
+				} else if key_match(
+					e,
+					self.key_config.keys.toggle_signoff,
+				) {
+					self.signoff_commit();
 				}
 				// stop key event propagation
 				return Ok(EventState::Consumed);
diff --git a/src/keys/key_list.rs b/src/keys/key_list.rs
index 134d992d87..619dde5ee1 100644
--- a/src/keys/key_list.rs
+++ b/src/keys/key_list.rs
@@ -88,6 +88,7 @@ pub struct KeysList {
 	pub log_reset_comit: GituiKeyEvent,
 	pub log_reword_comit: GituiKeyEvent,
 	pub commit_amend: GituiKeyEvent,
+	pub toggle_signoff: GituiKeyEvent,
 	pub toggle_verify: GituiKeyEvent,
 	pub copy: GituiKeyEvent,
 	pub create_branch: GituiKeyEvent,
@@ -174,6 +175,7 @@ impl Default for KeysList {
 			log_reset_comit: GituiKeyEvent { code: KeyCode::Char('R'), modifiers: KeyModifiers::SHIFT },
 			log_reword_comit: GituiKeyEvent { code: KeyCode::Char('r'), modifiers: KeyModifiers::empty() },
 			commit_amend: GituiKeyEvent::new(KeyCode::Char('a'),  KeyModifiers::CONTROL),
+			toggle_signoff: GituiKeyEvent::new(KeyCode::Char('s'),  KeyModifiers::CONTROL),
 			toggle_verify: GituiKeyEvent::new(KeyCode::Char('f'),  KeyModifiers::CONTROL),
 			copy: GituiKeyEvent::new(KeyCode::Char('y'),  KeyModifiers::empty()),
 			create_branch: GituiKeyEvent::new(KeyCode::Char('c'),  KeyModifiers::empty()),
diff --git a/src/strings.rs b/src/strings.rs
index 3e1ff80633..1f856b9c5d 100644
--- a/src/strings.rs
+++ b/src/strings.rs
@@ -980,6 +980,18 @@ pub mod commands {
 			CMD_GROUP_COMMIT_POPUP,
 		)
 	}
+	pub fn commit_signoff(
+		key_config: &SharedKeyConfig,
+	) -> CommandText {
+		CommandText::new(
+			format!(
+				"Sing-off [{}]",
+				key_config.get_hint(key_config.keys.toggle_signoff),
+			),
+			"sign-off commit (-s option)",
+			CMD_GROUP_COMMIT_POPUP,
+		)
+	}
 	pub fn edit_item(key_config: &SharedKeyConfig) -> CommandText {
 		CommandText::new(
 			format!(